Container



Oct. 1i', 1927. I

M. SCHWARTZ CONTAINER Filed June 27.' 1925 l @en 07",' 7]@15 506W Pnented' oct. 11, 1927.

UNITED STATES PATENT oFEIcE.

.Monats SCHWARTZ, or cnICAGo,-'I1.I.mo1s, AssIGNoB. To 'AMERICAN ILANGE a MANUFACTURING Co., or CHICAGO, n.LINoIs, A coRroRArIoNor ILLINOIS.

CONTAINER.

Application led June 27, 1925.` Serial No. 40,023.

Myv invention relates to containers provided with bushingswhich receive closure plugs andwhich'bushing's are supported by sheet metal wall portions of the containers.

o 'Ihe invention is of particular service in connection with barrels formed of sheet metal. It has for its object the provision of a tight union between the bushing and the container and also the provision o'a closure plug to lo reinforce, or at least not to impair, the intimacy of the union between the bushing and Container. form of a' barrelor of other form entirely constructed of sheet metal or having a sheet is metal wall portion equipped in accordance with the invention. In carrying out my invention a hole is formed through this wall portion, the part oi the sheet metal surround- A, ing the hole being bent back upon itself away 21) from ythe axis of the hole to form a fold extending transverselyto the axis of the hole and thence being continued along the hole axis and then toward the hole axis to form a groove. 23

along the holeaxis to form a skirt. The

bushing is l,formed .with a flange that isre-- '30 exteriorly grooved to receive the aforesaid skirt portieri of the wall carrying the, bushing. 'Ihe closure lug is screwed the bushing and desira ly has a ange which laps and presses upon the aforesaid fold formed in the sheet metal wall, the threaded portion of the bushing being desirably continued at its end opposite the ian'ge around the skirt. Said fold prevents the plug, when tightened, from disturbing the joint between 40 the bushing and the skirtY which is received in the groove of the bushing. Y

p The Inventionwill be more fully in connection with the accompanying drawing in` which Fi 1 isa plan view of a container wall portion equipped with the bushing of my invention, the closure plug being removed, and parts of the wall portion being shown in section adjacent the bushing flange;

. Fig. 2 is abottom view of the structure shown in y Fig. 1 withI portions shown in section; Fig. 3 is an axial sectional view of the struc-i ture shown in Figs. 1 and 2, on a larger scale, with the closure plug added; and Fig.

4 is a view illustrating some of the steps em- This container may be in the 'metal portions 2, 3 and 4.

In the preferred embodiment ofthe in-VL vention the sheet metal is finally continued explainedl ployed in assembling the bushing with 'the container. Y

I have shown a part 1 of a sheet metal portion of acontainer such, Jor example, as a. barrel head. This wallportion is formed with a hole therethrough, the part of the sheet metal surrounding the hole being bent back upon itself away from the axis of the -hole to form afold extending transversely to the axis of the hole andwhich fold surrounds the hole, the sheet metal being thence Continued along the hole axis as indicatedat 3, thentoward the hole axis as indicated at 4, the parts 2, 3 and 4 forming a groove which opens inwardly and vconstitutes an enlargement of the hole. In the preferred arrangement the sheet metal is continued from the groove side 4 alongthe hole axis to form a skirt 5. An annular bushing 6 is surrounded by the skirt 5 and has a iange 7 which is received in the groove defined by the sheet The .final step in shaping the sheet metal 1 consists in detlecting the fold at-2 from the upright position shown in Fig. 4 to thetrans- Iverse position shown in Fig. 3, this step not' being effected until the bushing 6 has been passed through the container wall with its iiange 7 yresting upon the part 4. When the bushing iange is in this position the fold at 2 is extended into its transverse position shown in Fig. 3 and by dotted lines in Fig.- 4, whereby the top and bottom wall: 2 and 4 of the groove receiving the ange are placed in most intimate Contact with the :Harige to make the joint between the flange and the wall as leak proof as possible at this point. The perimeter or edge portion of the flange 7 is desirably polygonal in contour and the intermediate groove` wall 3 is of similar contour whereby the bushing is held from rotation so as not to disturb the union between it and the sheet metal wall carryat 2 the bushing continuation 8 is folded outwardly and around the skirt 5 to form an annular groove receiving skirt. The engagement between the skirt 5 and the walls of the annular groove provided upon the bushing that receive this skirt, is made as tight as possible to avoid leakage, a result which is furthered by the clamping engagement between the flange rim 7 and the groove sides 2, 4.

The closure plug 9 is screwed into fthe bushing. This closure pl'ug has a flange 10 which overlaps and presses upon the fold 2, there 4being desirably a gasket 11 between this flange and fold to make leak proof the Aplace of' assembly 'of this flange `and fold whereby any liquid that could possibly seep through the joints at 5 and 7., will betrapped in the space surrounded by the fold at 2, the

gasket 11 Vand the plug 9 together with its ange 10. It will be observed ,that `the groove 2, 3, 4, which tightly receives the bushing flange 7 holds the outwardly bent.

.portion 8 of the bushing in fixed relation with the --skirt 5, the assembly of these parts being so fixed and rigid that theclamping' actiono the plu@r ange 10 upon the gasket l1 and the underlying fold at Zwill not dis'- turb the joint between the bushing and the skirt 5, nor the tightness of the joint between the flange 7 and the Walls of the groove receiving this flange.

While the flange 7 isdesirably polygonal incontour and the groove wall 3 is similarly shaped, I' do not wish to be limited to this forml of construction in securing holding formations upon the perimeter of the flange and the wall portion 1 'at unequal distances from the axis of the hole and bushing to guard against rotation of the bushing.

f Having thus vdescribed my invention, I claim: v

-1. A container having a sheet metaL Wall portion formed 'with a holeV therethrough, f

the part of the sheet metal surrounding the hole being bent back upon'itself away from the axis of the hole to form a fold extending transversely to the axis of the hole and thencey being continued along the hole 'Oaxis and then toward the hole axis to form a groove and `finally along .the hole axis to form a skirt; in combination with a bushing having a flange and an interiorly threaded portion which is surrounded by said skirt; and a plug screwed into said bushing anduhaving a flange lapping and pressingf upon the aforesaid fold, the threaded portionv of the bushing being continued at its end opposite the flange around said skirt, the intermediate wall of said groove and the perimeter of said fiange having engaging portionsA 'atunequal distances from the axis of the,

threaded portion which is surrounded and l engaged .by said skirt, the intermediate wall of said groove and the perimeter of'A said flange having engaging portions at unequal distances'from-the axis ofthe hole to prevent the bushing from turning. v

In witness whereof, I hereunto subscribev my name. Y

MORRIS SCHWARTZ.v 

